The Society for the study of flies (Diptera)

Affiliated to the British Entomological and Natural History Society (BENHS)

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#1 2017-10-04 16:15:13

DF Members
Name: Ali Shuttleworth
From: Fife, VC85
Registered: 2014-08-20
Posts: 78

Keroplatus testaceus (?)


Some of you may have noticed this post appearing and disappearing before! I realised while posting that I hadn't actually "worked" it sufficiently. Last Sunday we found under a rotten log some pupae with the appearance of fuzzy ice cubes and a "worm" which I now see is a larva and probably of the same species. One of two pupae taken was reared to adulthood and appears now to be Keroplatus testaceus. Confirmation would be great if possible of course. I will do a prep on the genitalia later as time allows. The specimen and the other pupa are retained in alcohol currently, as is the larva.


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Last edited by AliCullaloe (2017-10-05 13:26:10)



#2 2017-10-09 00:10:41

DF Members
Name: John Coldwell
From: Barnsley
Registered: 2008-04-27
Posts: 318

Re: Keroplatus testaceus (?)

Certainly looks OK (although my recent form at photo-id has been less than satisfactory!!)



#3 2017-10-12 17:27:36

DF Members
Name: Phil Brighton
From: Warrington
Registered: 2011-10-21
Posts: 355

Re: Keroplatus testaceus (?)

This species seems to have spread across the country rapidly in the last few years:  I posted a photo here about 5 years ago and it was picked up by Peter Chandler himself as a significant record, being then Nationally Scarce.  About the same time it was observed in N Wales and  I have found it a few times since.  You should be able to get added assurance on the ID from the RES handbook which is a free download.



#4 2017-10-13 22:57:24

Name: Peter Chandler
Registered: 2008-04-15
Posts: 38

Re: Keroplatus testaceus (?)

This is K. testaceus, which is now quite widespread. Can you please give me the locality, date and grid reference.




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